ubuntu.grad.hr

Issued by R3

About this certificate

This digital certificate with serial number 03:42:7c:d3:73:25:8e:1b:fa:ca:ec:81:8a:e6:87:80:53:90 was issued on by Let's Encrypt.

With 5 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=ubuntu.grad.hr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:42:7c:d3:73:25:8e:1b:fa:ca:ec:81:8a:e6:87:80:53:90
Serial Number (int): 283961416193629686075020659523424876516240
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:7e:f8:8e:97:14:44:8a:7e:d6:86:d7:d8:a4:7e:87:ca:11:4a:72
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 80:fb:e8:05:c9:62:13:4b:0b:e0:dc:b4:9b:b5:c2:9f:22:58:77:f7
Fingerprint (sha256): f8:3f:7a:ca:e0:a2:24:96:3a:08:da:f8:cd:a9:c0:4c:21:9c:94:fd:cc:20:ee:d2:dc:29:2a:d6:3e:97:a1:41

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate ubuntu.grad.hr

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ubuntu.grad.hr

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

hr.archive.ubuntu.com
hr.releases.ubuntu.com
ubuntu-hr.org
ubuntu.grad.hr
www.ubuntu-hr.org

Other certificates including the domain name grad.hr

(limited to 100 certificates)
hr.archive.ubuntu.com
www.grad.hr
ubuntu.grad.hr
praksa.grad.hr
hr.archive.ubuntu.com
hr.archive.ubuntu.com
firewall.grad.hr
master.grad.hr
student.grad.hr
master.grad.hr
student.grad.hr
student.grad.hr
student.grad.hr
hr.archive.ubuntu.com
hr.archive.ubuntu.com
hr.archive.ubuntu.com
master.grad.hr
sage.grad.hr
www.grad.hr
hr.archive.ubuntu.com
master.grad.hr
sage.grad.hr
master.grad.hr
master.grad.hr
firewall.grad.hr
ubuntu.grad.hr
2besafe.grad.hr
hr.archive.ubuntu.com
student.grad.hr
hr.archive.ubuntu.com
ubuntu.grad.hr

Certificate

The complete raw certificate details for ubuntu.grad.hr in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvRrg+bdLaDPU3eStu7t6
VKP7bKZ5mdjQ1aE71IoO7DtLAzlhkzRHbkTX4TzZVRwHCx3eVffbvy4BDmjwySN8
uN9flhfdEwM4n/A/lruNzpluTEFWV8LC0RZgf+3Wu1gaQlb/otTDdhwn8yAv+YKJ
4KuZuFRXoe+GhuC/GA4LD+RMhrPuIhz8ShPeTSvpCAPjzebnTVFTxIBYPyFo7MLi
ni4Clb4xffR6FYfcIxNwEspoggubRS2+XW9YxK/FHcGdgJsZ09f7pYjs6PMB7b5Z
cmfwkDVzkzAlQQEX7yZpWA1AaG+CD+eIfQDo5/Bpx9PqeQMWMejZl2sS/VBqs3zR
qQIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 283961416193629686075020659523424876516240
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-06-13 03:34:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-09-11 03:34:30 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ubuntu.grad.hr'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23872294073974984103574820474418722111831698349485927044142684153980638720284293061217163676989778205274131367453585720047363132782842026142845499726610765322052119965243402206295492261406713310851796627377210128384057804764461059579457436474026485160191355995313127059227990477466145460340167578132725976214254184775526834099543702194887016248469599166943855821111866188835038243521970732709826253000943723212330604364980638171650589415644338040926854274792606786152943107598604276733340834736474712907108004478663024792917274665818523127509473601064108152718138920564845119831798417517667990662477141979506031776169
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							b77ef88e9714448a7ed686d7d8a47e87ca114a72
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hr.archive.ubuntu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hr.releases.ubuntu.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ubuntu-hr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ubuntu.grad.hr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ubuntu-hr.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076007d3ef2f88fff88556824c2c0ca9e5289792bc50e78097f2e6a9768997e22f0d70000017a03a65b3b0000040300473045022100981f5284a19d317a97ecd284ccc74e29c63c285cfadb326011d40b03e0cac9da02202bd72f3e38a7b87f3b332773cbb2d999336d5da2a9904d919c57a53dcfb27a7f0075004494652eb0eeceafc44007d8a8fe28c0dae682bed8cb31b53fd33396b5b681a80000017a03a65d030000040300463044022062ed98d15c84812b00539698c890277b6360b5282f06868835043451ca76276402207c384d288c161bcae3f309363110963432801ad8f285e56e6cba573e2415b1d8
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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